One problem related to other fuel system hoses lines/piping, and fittings has been reported for the 2013 Kia Motor Optima. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2013 Kia Motor Optima based on all problems reported for the 2013 Optima.
Fuel will heat up and bubble out of fuel tank after extended periods of idling. 4 hours idling with 3/4 full fuel tank. Liquid fuel and vapors escaping from gas cap and dripping down the side of the car.
| Other Fuel System problems | |
| Other Fuel System Pump problems | |
| Other Fuel System Tank Assembly problems | |
| Other Fuel System Tank Filling/charging problems | |
| Other Fuel System Hoses Lines/piping, And Fittings problems |